/* --- MODERN WHITE THEME REWRITE --- */
:root {
    --primary: #2563eb;
    --primary-light: #eff6ff;
    --primary-hover: #1d4ed8;
    --bg-light: #f8fafc;
    --text-main: #0f172a;
    --text-muted: #64748b;
    --border-color: #e2e8f0;
    --white: #ffffff;
}

.auth-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 60px 5%;
    background-color: var(--bg-light);
    background-image: radial-gradient(#e2e8f0 0.8px, transparent 0.8px);
    background-size: 24px 24px;
}

.registration-box {
    background: var(--white);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    padding: 40px;
    width: 100%;
    max-width: 700px;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.05), 0 8px 10px -6px rgba(0, 0, 0, 0.05);
}

/* --- RE-DESIGNED STEPPER --- */
.stepper {
    display: flex;
    justify-content: space-between;
    margin-bottom: 40px;
    position: relative;
    gap: 10px;
}

.step {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    position: relative;
}

.step .circle {
    width: 100%;
    height: 6px;
    background: var(--border-color);
    border-radius: 10px;
    transition: all 0.4s ease;
}

.step span {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
}

.step.active .circle {
    background: var(--primary);
}

.step.active span {
    color: var(--primary);
}

/* --- FORM ELEMENTS --- */
.section-title {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--text-main);
    margin-bottom: 25px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.input-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.input-group {
    margin-bottom: 20px;
}

.input-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-main);
    margin-bottom: 8px;
}

.input-group input, .custom-select {
    width: 100%;
    padding: 14px 16px;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    font-family: inherit;
    font-size: 0.95rem;
    transition: all 0.2s ease;
    background: #fcfcfc;
}

.input-group input:focus {
    outline: none;
    border-color: var(--primary);
    background: var(--white);
    box-shadow: 0 0 0 4px var(--primary-light);
}

/* --- BUTTONS --- */
.btn-cepha {
    padding: 14px 28px;
    border-radius: 12px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
    font-size: 0.95rem;
}

.btn-cepha-primary {
    background: var(--primary);
    color: white;
}

.btn-cepha-primary:hover {
    background: var(--primary-hover);
    transform: translateY(-1px);
}

.btn-cepha-secondary {
    background: var(--bg-light);
    color: var(--text-main);
    border: 1px solid var(--border-color);
}

/* --- DROP ZONE --- */
.drop-zone {
    border: 2px dashed var(--border-color);
    padding: 30px;
    border-radius: 16px;
    text-align: center;
    cursor: pointer;
    transition: 0.3s;
}

.drop-zone:hover {
    border-color: var(--primary);
    background: var(--primary-light);
}

@media (max-width: 650px) {
    .input-grid { grid-template-columns: 1fr; }
    .registration-box { padding: 25px; }
}

/* auth.css */

/* 1. Hide all steps by default */
.form-step {
    display: none;
    opacity: 0;
    transition: opacity 0.3s ease;
}

/* 2. Only show the step that has the 'active' class */
.form-step.active {
    display: block;
    opacity: 1;
}